Codezero developers of a baremetal multitasking executive capable of virtualizing Android and Linux on multicore ARM processors announced the released it's latest version, 0.4 of the embedded hypervisor toolkit of the same name.

Many (if not all) wireless carriers have bandwidth caps, so it makes a lot of sense to keep an eye on your network usage to avoid going over the limit. There are a few Android utilities that can help you with that, including NetCounter.